Which language learning platform first pioneered the freemium subscription model with 'streak maintenance' as a core engagement strategy, leading to widespread industry adoption?

The digital era has transformed how language learning products are marketed and consumed. Subscription models have become increasingly popular in language learning apps and platforms, changing how users access content and how companies generate revenue. This poll tests your knowledge about a significant shift in the language learning product landscape that revolutionized the industry's business model.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Duolingo
Rosetta Stone
Babbel
Memrise